H8S2169 Datasheet, PDF (1039/1075 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series

Appendix C I/O Port Block Diagrams
Hardware
standby
Reset
R
QD
P51DDR
C
WP5D
SCI0
Reset
Input enable
R
P51
QD
P51DR
C
WP5
RP5
Legend:
WP5D : Write to P5DDR
WP5 : Write to port 5
RP5 : Read port 5
Figure C.16 Port 5 Block Diagram (Pin P51)
Serial receive
data
Rev. 3.00 Jan 18, 2006 page 1011 of 1044
REJ09B0280-0300